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Finding the Fourth Proportional to 16,768.63, 25,114.66 and 8,009.69

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Solution

The fourth proportional to 16,768.63, 25,114.66 and 8,009.69 is: 11,996.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,768.63 : 25,114.66 = 8,009.69 : x
  2. Step 2: Convert to fraction form
    16,768.63/25,114.66 = 8,009.69/x
  3. Step 3: Cross multiply
    16,768.63x = 25,114.66 × 8,009.69
  4. Step 4: Simplify right side
    16,768.63x = 201,160,641.06
  5. Step 5: Solve for x
    x = 201,160,641.06/16,768.63
  6. Step 6: Final answer
    x = 11,996.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.